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39 Cards in this Set
- Front
- Back
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Everything in the universe except what humans have manufactured
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Nature
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Fundamental building blocks of all substances, living and nonliving
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Atoms
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Unit in which atoms are joined together
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Molecules
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The smallest unit of live that can survive and reproduce on its own given info in DNA, energy inputs, raw materials, and suitable environmental conditions
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Cell
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an individual that consists of one or more cells
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Organism
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a group of individuals of the same kind of organism, or species, in a specified area
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population
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all populations of all species in a specified area
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community
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a community interacting with its physical and chemical environments
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ecosystem
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encompasses all regions of earth's crust, water, and atmosphere in which animal's live
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biosphere
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characteristics of a system that do not appear in any of its component parts
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emergent properties
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the capacity to do work
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energy
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get energy and simple raw materials from environmental sources to make their own food; most energy comes from the sun
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producers
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process in which plants use energy from the sun to make sugars from carbon dioxide and water
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photosynthesis
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cannot make their own food; they get energy and nutrients indirectly by eating producers and other organismss
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consumer
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actual mechanisms by which parents transmit DNA to offspring
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reproduction
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the orderly transformation of the first cell of a new individual into an adult
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development
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functional molecules that make cell activities occur much faster that they would on their own
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enzymes
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Deoxyribonucleic acid; a nucleic acid, the signature molecule of life
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DNA
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process by which organisms keep conditions in their internal environment within a range that favors cell survival, by sensing and adjusting to change
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homeostasis
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kinds of organisms
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species
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a group of species that share a unique set of features
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genus
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share one or more traits and can interbreed successfully
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individuals
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members of the prokaryotic domain; the most diverse and most ancient prokaryotic lineage
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bacteria
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prokaryotic; members have some unique features but also share some traits with bacteria and other traits with eukaryotic species
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archaean
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informal name for eukarya that are not plants, fungus, or animals
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protists
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fungitype of eukaryotic heterotroph; can be multicelled of single-celled; cell walls contain chitin; obtains nutrients by extracellular digestion and absorption (decomposers)
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fungi
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multi-celled photoautotroph, most with well developed roots and shoots; primary producers on land
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plants
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multi-celled heterotroph with unwalled cells; develops through a series of embryotic stages and is motile during part of all of the life cycle
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animals
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change in DNA
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mutation
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differential survival and reproduction of individuals of a population that differ in the details of heritable traits, a microevolutionary process
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natural selection
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change is occurring in a line of descent
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evolution
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a testable answer to a question
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hypothesis
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a statement of some condition that should exist if the hypothesis is not wrong
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prediction
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systematic observations or experiments
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test
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analogous system
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model
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hypothesis that has not been disproved after many years of rigorous testing and is useful for making predictions about other phenomena
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scientific theory
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tests designed to support or falsify a prediction
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experiments
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some characteristic or an event that differs among individuals or systems that may change over time
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variable
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a difference between results from subsets and results from a whole
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sampling error
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